Home / 152,760.08-229,110.44-76,838.40

Finding the Fourth Proportional to 152,760.08, 229,110.44 and 76,838.40

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Solution

The fourth proportional to 152,760.08, 229,110.44 and 76,838.40 is: 115,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,760.08 : 229,110.44 = 76,838.40 : x
  2. Step 2: Convert to fraction form
    152,760.08/229,110.44 = 76,838.40/x
  3. Step 3: Cross multiply
    152,760.08x = 229,110.44 × 76,838.40
  4. Step 4: Simplify right side
    152,760.08x = 17,604,479,632.90
  5. Step 5: Solve for x
    x = 17,604,479,632.90/152,760.08
  6. Step 6: Final answer
    x = 115,242.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.